.guide-hero{
  position:relative;
  overflow-x:clip;
  border-bottom:1px solid var(--color-border);
  background:
    linear-gradient(to right,var(--color-grid) 1px,transparent 1px),
    linear-gradient(to bottom,var(--color-grid) 1px,transparent 1px),
    linear-gradient(180deg,var(--color-hero-top),var(--color-hero-bottom));
  background-size:40px 40px,40px 40px,auto;
}
.guide-hero::after{
  position:absolute;
  right:8%;
  bottom:-26%;
  width:42%;
  aspect-ratio:1;
  border:1px solid var(--color-accent-line);
  border-radius:50%;
  background:var(--color-accent-fill);
  box-shadow:
    0 0 0 24px var(--color-accent-fill),
    0 0 0 48px var(--color-accent-fill);
  content:"";
  opacity:.7;
  pointer-events:none;
}
.guide-hero-inner{
  position:relative;
  z-index:1;
  padding-top:88px;
  padding-bottom:82px;
}
.guide-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-bottom:22px;
  color:var(--color-muted);
  font-size:13px;
}
.guide-meta .kicker{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:3px 10px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-pill);
  background:var(--color-panel);
}
.guide-hero h1{
  max-width:720px;
  margin-bottom:22px;
  font-size:clamp(52px,6vw,72px);
}
.guide-lead{
  max-width:720px;
  margin-bottom:0;
  font-size:19px;
  line-height:1.8;
}
.guide-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px 22px;
  margin-top:30px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:var(--color-accent);
  font-weight:650;
}
.guide-scope{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  max-width:900px;
  margin:48px 0 0;
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.guide-scope div{
  min-width:0;
  padding:18px 22px;
}
.guide-scope div+div{
  border-left:1px solid var(--color-border);
}
.guide-scope dt{
  margin-bottom:4px;
  color:var(--color-muted);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.guide-scope dd{
  margin:0;
  color:var(--color-text);
  font-weight:600;
}
.guide-article{
  padding-top:76px;
  padding-bottom:var(--section-space);
}
.guide-intro{
  max-width:980px;
  margin-bottom:56px;
}
.guide-intro .two-tone{
  margin-bottom:28px;
}
.guide-intro .two-tone a{
  color:var(--color-text);
}
.guide-intro>p:last-child{
  max-width:var(--reading-width);
  font-size:18px;
}
.guide-section{
  position:relative;
  max-width:940px;
  margin-inline:auto;
  padding-top:76px;
  padding-bottom:76px;
  border-bottom:1px solid var(--color-border);
}
.guide-section:last-of-type{
  border-bottom:0;
}
.guide-section h2{
  max-width:760px;
  margin-bottom:34px;
}
.guide-section h3{
  margin-top:38px;
  margin-bottom:12px;
  font-size:24px;
}
.guide-section p,
.guide-section li{
  max-width:820px;
  font-size:17px;
  line-height:1.88;
}
.guide-section p{
  margin-bottom:20px;
}
.chapter-mark{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  margin-bottom:18px;
  padding:3px 10px;
  border:1px solid var(--color-accent-line);
  border-radius:var(--radius-small);
  background:var(--color-accent-fill);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
}
.definition-grid,
.account-map{
  display:grid;
  gap:1px;
  margin:34px 0;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  background:var(--color-border);
  overflow:hidden;
}
.definition-grid{
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.definition-grid>div,
.account-map>div{
  min-width:0;
  padding:22px;
  background:var(--color-panel);
}
.definition-grid strong{
  display:block;
  margin-bottom:7px;
  font-size:17px;
}
.definition-grid p,
.account-map p{
  margin:0;
  font-size:15px;
  line-height:1.7;
}
.account-map{
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.account-map .mono{
  color:var(--color-accent);
  font-size:11px;
  letter-spacing:.07em;
}
.account-map h3{
  margin:8px 0 7px;
  font-size:19px;
}
.quality-flow{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin:34px 0;
}
.quality-flow div{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
  padding:18px;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  background:var(--color-panel);
  box-shadow:0 1px 0 var(--color-highlight) inset;
}
.quality-flow span{
  display:grid;
  place-items:center;
  width:52px;
  min-height:34px;
  padding:4px;
  border:1px solid var(--color-accent-line);
  border-radius:var(--radius-small);
  background:var(--color-accent-fill);
  color:var(--color-accent);
  font-family:var(--font-mono);
  font-size:11px;
  flex:0 0 auto;
}
.quality-flow strong{
  font-size:14px;
}
.guide-section .table-scroll{
  margin:34px 0;
}
.guide-section pre{
  max-width:820px;
  margin:24px 0;
}
.guide-section .callout{
  max-width:820px;
}
.guide-article>.promo-block{
  max-width:940px;
  margin-inline:auto;
}
@media (max-width:900px){
  .guide-hero::after{
    right:-16%;
    width:58%;
  }
  .guide-scope{
    grid-template-columns:1fr;
  }
  .guide-scope div+div{
    border-top:1px solid var(--color-border);
    border-left:0;
  }
  .account-map{
    grid-template-columns:1fr;
  }
}
@media (max-width:768px){
  .guide-hero-inner{
    padding-top:64px;
    padding-bottom:60px;
  }
  .guide-hero h1{
    font-size:clamp(32px,10vw,40px);
  }
  .guide-lead{
    font-size:17px;
  }
  .guide-hero::after{
    display:none;
  }
  .guide-article{
    padding-top:56px;
  }
  .guide-section{
    padding-top:60px;
    padding-bottom:60px;
  }
  .guide-section h3{
    font-size:21px;
  }
  .definition-grid,
  .quality-flow{
    grid-template-columns:1fr;
  }
}
@media (max-width:640px){
  .guide-actions{
    align-items:stretch;
    flex-direction:column;
  }
  .guide-actions .btn{
    width:100%;
  }
  .text-link{
    justify-content:center;
  }
  .guide-scope div{
    padding:16px;
  }
  .guide-section p,
  .guide-section li{
    font-size:16px;
    line-height:1.82;
  }
  .quality-flow div{
    align-items:flex-start;
  }
}